In Civ 5 you can't build two cities near 4 tiles, is it possible to increase this limit to 8?

E.g. You can't build two cities within 8 or less tiles between.

I feel in late game the continent map is so crowded with sooooo many cities, I think making cities more sparse would be more fun for me. After city area expansion max out, there would still be a gap between cities where you can pass through to hit players you don't like.

I don't think this is possible from within the game settings. Someone might come up with an answer for you that involves a mod, or digging around ini files.
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shanodinSep 22 '13 at 14:43

@shanodin That's what I tought. Any mods can do that?
–
estSep 23 '13 at 1:59

1

I know that it is a single setting in some XML, I just completely forgot where and what though. You can definitely change it.
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ArperumSep 23 '13 at 6:58

Keep in mind that maximum city expansion range is 5 tiles, not 3. So technically you'll need a minimum range of 11. Though in practice it usually takes cities a long while before they get to 5 tiles.
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OakSep 25 '13 at 4:58